nixos-hardware/lenovo/thinkpad/t495/default.nix

{ lib, pkgs, ... }:

{
  imports = [
    ../.
    ../../../common/cpu/amd
  ];

  # Force use of the thinkpad_acpi driver for backlight control.
  # This allows the backlight save/load systemd service to work.
  boot.kernelParams = [ "acpi_backlight=native" ];

  # see https://github.com/NixOS/nixpkgs/issues/69289
  boot.kernelPackages = lib.mkIf (lib.versionOlder pkgs.linux.version "5.2") pkgs.linuxPackages_latest;
}
treewide: apply deadnix and statix 2022-12-31 11:52:38 +01:00			`{ lib, pkgs, ... }:`
lenovo/thinkpad/t495: init from e495. The E495 and T495 are based on the same core Ryzen platform, so the E495 tweaks apply similarly to the T495. Tested on my own T495, works well. 2020-03-11 08:09:55 +01:00
			`{`
			`imports = [`
			`../.`
			`../../../common/cpu/amd`
			`];`

thinkpad/t495: fix backlight save/load and and battery conditioning. Saving/loading the backlight state requires the acpi_backlight=native kernel parameter. acpi_call is required by TLP to get access to battery conditioning information from the firmware. Signed-off-by: David Anderson <dave@natulte.net> 2020-03-15 04:55:05 +01:00			`# Force use of the thinkpad_acpi driver for backlight control.`
			`# This allows the backlight save/load systemd service to work.`
			`boot.kernelParams = [ "acpi_backlight=native" ];`

lenovo/thinkpad/t495: init from e495. The E495 and T495 are based on the same core Ryzen platform, so the E495 tweaks apply similarly to the T495. Tested on my own T495, works well. 2020-03-11 08:09:55 +01:00			`# see https://github.com/NixOS/nixpkgs/issues/69289`
			`boot.kernelPackages = lib.mkIf (lib.versionOlder pkgs.linux.version "5.2") pkgs.linuxPackages_latest;`
			`}`